Finding the Fourth Proportional to 1,017.08, 1,524.23 and 554.16

Step by Step Solution

1. Step 1: Write the proportion equation
   1,017.08 : 1,524.23 = 554.16 : x
2. Step 2: Convert to fraction form
   1,017.08/1,524.23 = 554.16/x
3. Step 3: Cross multiply
   1,017.08x = 1,524.23 × 554.16
4. Step 4: Simplify right side
   1,017.08x = 844,667.30
5. Step 5: Solve for x
   x = 844,667.30/1,017.08
6. Step 6: Final answer
   x = 830.48